1061000100120 has 64 divisors (see below), whose sum is σ = 3183136276320. Its totient is φ = 282921273344.

The previous prime is 1061000100107. The next prime is 1061000100137. The reversal of 1061000100120 is 210010001601.

It is a happy number.

It is a super-2 number, since 2×1061000100120² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1061000100096 and 1061000100105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2832442 + ... + 3185078.

Almost surely, 2^{1061000100120} is an apocalyptic number.

1061000100120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1061000100120 is an abundant number, since it is smaller than the sum of its proper divisors (2122136176200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1061000100120 is a wasteful number, since it uses less digits than its factorization.

1061000100120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377724 (or 377720 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 1061000100120 its reverse (210010001601), we get a palindrome (1271010101721).

The spelling of 1061000100120 in words is "one trillion, sixty-one billion, one hundred thousand, one hundred twenty".